Single-player games like SourceWorlds
Below are 8 single-player Steam games similar to SourceWorlds, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like SourceWorlds page.
Ranked picks
- 1
Arthas - The Game
Single-player alternative to SourceWorlds — playable solo, no multiplayer required. Shares Action and Adventure with SourceWorlds.
A great game about a Great man!
- 2
SOUTH PARK: SNOW DAY!
Single-player alternative to SourceWorlds — playable solo, no multiplayer required. Shares Action and Adventure with SourceWorlds.
Play as the New kid in South Park and join Cartman, Stan, Kyle, and Kenny, in three-dimensional glory, to celebrate the most magical day in any young child’s life - a snow day!
- 3
Saints Row®: The Third™ Remastered
Single-player alternative to SourceWorlds — playable solo, no multiplayer required. Shares Action and Adventure with SourceWorlds.
The Full Package, Remastered – With enhanced graphics, improved lighting, reworked environments, and visual effects, Steelport and The Third Street Saints have never looked so good.
- 4
Luminary
Single-player alternative to SourceWorlds — playable solo, no multiplayer required. Shares Action and Indie with SourceWorlds.
Luminary is a solo or co-op OpenZone Action RPG that creates a balanced experience for everyone. Using a unique world and character progression system, explore vast hand-crafted lands together, uncover hidden treasures, level up your town, and push back the darkness with light.
- 5
Agefield High: Rock the School
Single-player alternative to SourceWorlds — playable solo, no multiplayer required. Shares Action and Indie with SourceWorlds.
Relive your High School days in the town of Agefield. It’s the early 2000s, and graduation is on the horizon. REBEL with your friends, win over your dream girl and ROCK the school! A coming-of-age adventure about friendship, love, and rebellion inspired by the raunchy teen comedies of the era.
- 6
Totally Reliable Delivery Service
Single-player alternative to SourceWorlds — playable solo, no multiplayer required. Shares Action and Indie with SourceWorlds.
Delivery Attempted. That's the Totally Reliable Delivery Service guarantee! T.R.D.S. is a ragdoll physics simulation about terrible package delivery couriers. Work together using odd machinery, useful gadgets, and the wonders of physics to reliably deliver packages to their destination.
- 7
Destroy All Humans! 2 - Reprobed
Single-player alternative to SourceWorlds — playable solo, no multiplayer required. Shares Action and Adventure with SourceWorlds.
Crypto is back with a license to probe. The alien invader returns, groovier than ever. Experience the swinging ‘60s in all its chemical-induced glory and take revenge on the KGB for blowing up your mothership. You’ll have to form alliances with members of the very species you came to enslave.
- 8
POSTAL 4: No Regerts
Single-player alternative to SourceWorlds — playable solo, no multiplayer required. Shares Action and Adventure with SourceWorlds.
POSTAL 4: No Regerts is a satirical and outrageous comedic open world first person shooter and the long-awaited true sequel to what’s been fondly dubbed as "The Worst Game Ever™", POSTAL 2!